Home / 3,610.69-4,982.78-2,077.85

Finding the Fourth Proportional to 3,610.69, 4,982.78 and 2,077.85

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Solution

The fourth proportional to 3,610.69, 4,982.78 and 2,077.85 is: 2,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.69 : 4,982.78 = 2,077.85 : x
  2. Step 2: Convert to fraction form
    3,610.69/4,982.78 = 2,077.85/x
  3. Step 3: Cross multiply
    3,610.69x = 4,982.78 × 2,077.85
  4. Step 4: Simplify right side
    3,610.69x = 10,353,487.07
  5. Step 5: Solve for x
    x = 10,353,487.07/3,610.69
  6. Step 6: Final answer
    x = 2,867.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.